GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Transmission Soleniods, VSS, and TCC Brake Switch Signal


Object Number: 1343249  Size: FS
Master Electrical Component List
Transmission Component and System Description
Transmission Switches, TFT, and A/T ISS Sensor
OBD II Symbol Description Notice
PWR WNDW, Circuit Breaker, CRUISE SW, CRUISE, SUNROOF, HVAC BLOWER Fuses
IGN SW-BATT2, AIR BAG, TURN LPS, IGN MOD, B/U LP/BTSI, PCM IGN, F/P INJR, A/C BFC, AUTO TRANS, ABS/EVO/IGN Fuses
IGN SW-BATT2, AIR BAG, TURN LPS, IGN MOD, B/U LP/BTSI, PCM IGN, F/P INJR, A/C BFC, AUTO TRANS, ABS/EVO/IGN Fuses
Power and Ground
Figure 2:

Transmission Switches, TFT, and A/T ISS Sensor


Object Number: 1261577  Size: FS
Master Electrical Component List
Transmission Component and System Description
PNP Switch
Transmission Solenoids, VSS and TCC Brake Switch Signal
OBD II Symbol Description Notice
Figure 3:

PNP Switch


Object Number: 1217206  Size: FS
Master Electrical Component List
Transmission Component and System Description
Transmission Switches, TFT, and A/T ISS Sensor
OBD II Symbol Description Notice
G102 and G104
G102 and G104